In depth comparison and review of Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS and Panasonic Lumix G DC-GX9 + 12-32mm. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | FE 28-70mm OSS lens | 12-32mm lens |
| Height | 9.64 cm | 7.21 cm |
| Width | 13.13 cm | 12.4 cm |
| Depth | 7.98 cm | 4.68 cm |
| Weight | 658 g | 407 g |
| Weight Details | Camera with battery and memory card: 658 g | Camera body only: 407 g Camera with battery and memory card: 450 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | - | Silver |
| Protection | Dust-resistant, moisture-resistant | - |
| Digital Zoom | 4x | - |
| Optical Zoom | - | 2.7x |
| SENSOR | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Sensor Resolution | 33.0 Megapixel | 20.3 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Live MOS |
| Total Pixels | 34,100,000 pixels | 21,770,000 pixels |
| Effective Sensor Resolution | 33,000,000 pixels | 20,300,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 23.9 mm) | Four Thirds (17.3 x 13.0 mm) |
| Frame Rate (Max Resolution) | 60 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Supersonic Wave Filter (SWF), OLPF-less architecture |
| Image Stabiliser | Optical (Steady Shot with 5-axis Intelligent Active Mode) | Optical (5-Axis Dual I.S. 2.0) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Image Processor | BIONZ XR | Venus Engine |
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| LENS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Type | Zoom lens 28 - 70 mm - f/3.5-5.6 FE OSS - zoom | Zoom lens - 2.7x zoom - 12 - 32 mm - f/3.5-5.6 G VARIO ASPH |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 24 - 64mm |
| Focus Adjustment | Automatic, manual | Automatic, manual |
| Min Focus Distance | 30 cm | 20 cm |
| Max View Angle | 75 degree(s) | 84 degree(s) |
| Zoom Adjustment | Manual | Manual |
| Lens Construction | 8 groups / 9 elements | 7 groups / 8 elements |
| Filter Size | 55 mm | 37 mm |
| Lens Mounting Type | Sony E-mount | Micro Four Thirds |
| Features | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof | ED glass, aspherical lens |
| FOCUSING | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 759 | 49 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Focus Peaking function, Depth From Defocus (DFD) technology, Manual Focus Assist |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF, Pinpoint AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Viewfinder Type | Electronic - OLED | Electronic - LCD |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 3,686,400 pixels | - |
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.78x | - |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | - |
| Field of View Crop Factor | - | 2 |
| EXPOSURE & WHITE BALANCE | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| ISO (Max) | 204800 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 200-12800 |
| Extended ISO (Max) | 204800 | 25600 |
| Extended ISO (Min) | 50 | 100 |
| Light Sensitivity | ISO 50, ISO auto, ISO 204800, ISO 100-51200 | ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800, ISO 25600 |
| Exposure Metering | Multi-segment, centre-weighted, average, highlight spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | 1728 |
| Exposure Modes | Automatic, manual, aperture-priority, shutter-priority | Programme, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Focus bracketing, white balance bracketing, aperture bracketing |
| Special Effects | Soft Skin, Creative Look presets | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K | Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) |
| Shutter Type | Mechanical electronically-controlled | Mechanical |
| Max Shutter Speed | 1/8000 sec | 1/16000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5 or 9 steps | 3, 5, 7 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | EV -3-20 (ISO 100) | EV 0-18 (ISO 100) |
| Retouch | - | Clear Retouch function |
| DISPLAY | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,036,000 pixels | 1,240,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Display brightness control, display colour control, display contrast control, display saturation control |
| FLASH | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Camera Flash | - | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 4.2 |
| Flash Modes | - | Forced mode, auto mode, red-eye reduction, slow sync |
| Features | - | Flash +/- compensation, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Digital Video Format | MPEG-4, H.264, XAVC S, H.265, XAVC HS | AVCHD, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM, AAC | Dolby Digital AC-3 (2 channel), AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | Wind noise reduction |
| MEMORY | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Memory Card Slot | SD card, CFexpress / SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Image Storage | 7008 x 4672 4608 x 3072 3504 x 2336 4608 x 3072 - APS-C mode 3504 x 2336 - APS-C mode 6224 x 4672 4096 x 3072 3120 x 2336 4096 x 3072 - APS-C mode 3120 x 2336 - APS-C mode 7008 x 3944 4608 x 2592 3504 x 1968 4608 x 2592 - APS-C mode 3504 x 1968 - APS-C mode 4672 x 4672 3072 x 3072 2336 x 2336 3072 x 3072 - APS-C mode 2336 x 2336 - APS-C mode |
5184 x 3888 5184 x 3456 5184 x 2920 3712 x 2784 3712 x 2480 3840 x 2160 2624 x 1968 2624 x 1752 1920 x 1080 3888 x 3888 2784 x 2784 1968 x 1968 3328 x 2496 - 4K PHOTO 3504 x 2336 - 4K PHOTO 3840 x 2160 - 4K PHOTO 2880 x 2880 - 4K PHOTO |
| Video Capture | XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC HS - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S - 1920 x 1080 p - 60 fps XAVC S - 1920 x 1080 p - 30 fps XAVC S - 1920 x 1080 p - 24 fps XAVC S - 1920 x 1080 p - 50 fps XAVC S - 1920 x 1080 p - 25 fps |
H.264 - 3840 x 2160 p - 30 fps - 100Mbps H.264 - 3840 x 2160 p - 25 fps - 100Mbps H.264 - 3840 x 2160 p - 24 fps - 100Mbps AVCHD - 1920 x 1080 p - 50 fps - 28Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps AVCHD - 1920 x 1080 p - 24 fps - 24Mbps H.264 - 1920 x 1080 p - 60 fps - 28Mbps H.264 - 1920 x 1080 p - 50 fps - 28Mbps H.264 - 1920 x 1080 p - 30 fps - 20Mbps H.264 - 1920 x 1080 p - 25 fps - 20Mbps H.264 - 1280 x 720 p - 30 fps - 10Mbps H.264 - 1280 x 720 p - 25 fps - 10Mbps |
| BATTERY AND CHARGING | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Battery Type | Sony NP-FZ100 Lithium Ion | Lithium Ion - manufacturer-specific |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Li-ion rechargeable battery - 1025 mAh (included) |
| Battery Life | Photo shooting - 520 shots (EVF on) Photo shooting - 580 shots (LCD Monitor on) Video recording - 100 minutes (EVF on) Video recording - 110 minutes (LCD Monitor on) |
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| CONNECTIONS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Interface | USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi | Remote control via mobile devices, remote live view, QR code scanning |
| Print Standard | Exif Print support, PRINT Image Matching | Direct print, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) |
| FEATURES | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second | 2 frames per second, 9 frames per second, 6 frames per second |
| Additional Features | Built-in speaker, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW | Built-in speaker, digital image rotation, histogram display, AE lock, AF lock, cropping an image, resizing an image, highlight point display, USB charging, in-camera RAW processing, Panorama Capture, text stamp, Time-Lapse recording, Light Speed AF, primary colour filter, Focus Stacking, Post Focus function |
| OTHERS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Included Accessories | Eyepiece cover, lens hood, dust cap, body cap, lens cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable | Body cap, lens cap, shoulder strap, AC power adaptor, USB cable, hot shoe cap |
|---|---|---|
| Software | - | Panasonic PHOTOfunSTUDIO 10.0 Premium Edition |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Service & Support | - | Limited warranty - 5 years |
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